INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Tax open years subject to examination [Line Items]
Income tax benefit (provision)			$ 482	$ 331
Pre-tax income (loss)	$ (2,539)	$ 13,234	$ (6,435)	$ 6,451
Effective income tax rate			(7.50%)	5.10%
U.S. Federal statutory rate			35.00%
Unrecognized tax benefits	2,240		$ 2,240		$ 2,279
Accrued interest and penalties	563		563		$ 536
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense			$ 11	$ 34
U.S. Federal [Member]
Tax open years subject to examination [Line Items]
Open Tax Year			2012
Other U.S. state and local juristictions [Member]
Tax open years subject to examination [Line Items]
Open Tax Year			2011
United Kingdon
Tax open years subject to examination [Line Items]
Open Tax Year			2014
Australia
Tax open years subject to examination [Line Items]
Open Tax Year			2011
Other Jurisdictions [Member]
Tax open years subject to examination [Line Items]
Open Tax Year			2010
Minimum
Tax open years subject to examination [Line Items]
Possible decrease of unrecognized tax benefits	200		$ 200
Maximum
Tax open years subject to examination [Line Items]
Possible decrease of unrecognized tax benefits	$ 500		$ 500